# SEIMON — Voiceprint analysis

> Voiceprint analysis (iPhone/iPad app by Takahiro Endo.)

- Source: https://appshunter.io/ios/app/seimon/id6762163853 (this page in markdown: same URL + `.md`)
- Developer: [Takahiro Endo](https://appshunter.io/developer/1878005918)
- Category: Entertainment, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 5 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, Korean, European Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2026-04-23
- Data updated: 2026-07-18
- User reviews in markdown: https://appshunter.io/ios/app/seimon/id6762163853/reviews.md

## What is SEIMON?

This voiceprint analysis app (SEIMON) compares two audio recordings to determine if they belong to the same speaker. Enjoy an experience like a real voiceprint analyst with its terminal-style interface.

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Main Features
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[Audio Data Collection]
Records audio using the microphone and saves it to the evidence vault. Recorded audio can be played back and managed at any time.

[Voiceprint Analysis]
Compares two audio samples and determines if they belong to the same speaker using three algorithms: MFCC, DTW, and GMM. Results are displayed as MATCH / SIMILAR / NO MATCH.

[Evidence Vault]
Manages recorded audio files in a list. Playback, deletion, and export (Pro) are possible.

[Voiceprint Spectrogram (Pro)]
Visualization of voiceprints based on MFCC. Visually confirm the speaker's unique voice characteristics.

[Fully On-Device Processing]
No audio data is transmitted externally. All processing is completed within your iPhone.

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Advanced Appraiser License (Pro)
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• Unlimited storage of evidence audio
• Unlimited voiceprint analysis
• DTW/GMM detailed score display
• Voiceprint spectrogram display
• Audio file export
• Audio import from files app

Monthly and annual plans available. 7-day free trial included.

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What you can do with the free version
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• Audio recording and storage (up to 5 files)
• Voiceprint analysis (up to 3 times a day)
• Check MFCC basic score
• Experience with demo audio
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Disclaimer
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This application is designed and provided for entertainment and hobby purposes only. The results of voiceprint analysis have no scientific or legal evidentiary value. It cannot be used for criminal investigation, law enforcement, judicial proceedings, or any other public or professional purpose.

Terms of Use: https://coastandcorp.com/seimon/terms.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 上級鑑定士ライセンス（月額） | $3.99 | per month |
| 上級鑑定士ライセンス（年額） | $29.99 | per year |



## Version history (last 5 releases)

### 1.0.5 — 2026-07-11

- Minor corrections were made.

### 1.0.4 — 2026-06-07

- Minor corrections have been made.

### 1.0.3 — 2026-06-04

・公式サイトのURLを変更しました。

### 1.0.2 — 2026-05-30

・音声採取タブの不具合を修正しました。

### 1.0.1 — 2026-05-01

・軽微な修正

## More apps by Takahiro Endo

- [Wandershot](https://appshunter.io/ios/app/wandershot/id6759365808)
- [かんたんサウンドアナライザー](https://appshunter.io/ios/app/id6759789217)
- [MeshRelay](https://appshunter.io/ios/app/meshrelay/id6760348060)
- [VOXCELMOVIE](https://appshunter.io/ios/app/voxcelmovie/id6760961334)
- [MorphMovie](https://appshunter.io/ios/app/morphmovie/id6762455856)

All apps by Takahiro Endo: https://appshunter.io/developer/1878005918

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-18.*